netherlands yeast dryer drying silk strength remains
Stretchable silk fibroin hydrogels - ScienceDirect. 2020-10-15u2002·u2002After reaching the swelling equilibrium, the specimens were dried using a freeze-dryer (Christ Alpha 2–4 LD plus) by first freezing at −80 °C, freeze-drying at −40 °C/0.12 mbar and final drying at −60 °C/0.01 mbar, each for one day.
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